*{
    padding: 0;
    margin: 0;
    list-style: none;
    text-decoration: none;
}
html{
    font-size: 62.5%;
}
body{
    font-size: 1.2rem;
    min-width: 320px;;
}
.clearfix::after{
    content: '';
    clear: both;
    display: block;
}


header {
    width: 100%;
}
header nav{
    padding: 0 1.5rem;
}

header .top{
    height: 3rem;
    line-height: 3rem;
    background: #333;
    color: #fff;
}
header .top p{
    display: inline-block;
}
header .top .word{
    float: right;
}
@media screen and (max-width: 420px) {
    header .top .tel{
        display: none;
    }
}

header .title{
    background: #eee;
    line-height: 5rem;
}
header .title p{
    float: left;
    width: 10rem;
    height: 5rem;
}
header .title p img{
    width: 100%;
}
header .title ul{
    float: right;
}
header .title ul li{
    display: inline-block;
    padding: 0 20px;
    border-right: 1px solid #ccc;
    font-size: 1.6rem;
}
header .title ul li a{
    color: #000;
}
header .title ul li:last-child{
    border-right: none;
}

@media screen and (max-width: 700px) {
    header .title p{
        float: none;
        margin: 0 auto;
    }
    header .title ul{
        float: none;
        width: 100%;
        text-align: center;
    }
    header .title li{
        display: inline-block;
    }
    header .title li:nth-of-type(2){
        display: none;
    }
}

@media screen and (max-width: 420px) {
    header .title li:nth-of-type(1),
    header .title li:nth-of-type(2){
        display: none;
    }
}



.main{
    width: 100%;
    
}
.main .main-top{
    width: 100%;
    background: #333;
}
.main .main-top .main-top-cont{
    overflow: hidden;
    width: 90%;
    margin: 0 auto;
    font-size: 1.6rem;
    color: #fff;
}



/* 主要内容区 */

    /* top区域 */
.main .main-top .main-top-cont p{
    display: inline-block;
    padding: 10px;
}
.main .main-top .main-top-cont p span{
    display: inline-block;
    border-radius: 3px;
    box-shadow: -2px -1px 4px #000;
    margin: 0 0.5rem;
    padding: 0 0.5rem;
    text-align: center;
    background: #fff;
    color: #2d78f4;

}
.main .main-top .main-top-cont .more{
    float: right;
}
.main .main-top .main-top-cont .more a{
    color: #fff;
}
@media screen and (max-width: 700px) {
    .main .main-top .main-top-cont p{
        font-size: 1.2rem;
        
    }

}
@media screen and (max-width: 420px) {
    .main .main-top .main-top-cont p{
        display: block;
        width: 100%;
        text-align: center;
        float: none;
        padding: 0.5rem;
    }

}




/* 轮播图区域 */
.lbt {
    position: relative;
    margin-bottom: 30px;
}
.slider-list{
    width: 100%;
    height: 300px;
}
.slider-list .slider{
    position: relative;
    width: 100%;
    height: 300px;
    box-sizing: border-box;
    padding: 0 100px;
    background-size: cover;
    background-position: center;
}
.slider-list .slider:nth-of-type(1) {
    background-image: url('../img/bg-1.jpg');
}
.slider-list .slider:nth-of-type(2) {
    display: none;
    background-image: url('../img/bg-2.jpg');
}
.slider-list .slider:nth-of-type(3) {
    display: none;
    background-image: url('../img/bg-3.jpg');
}
.slider-list .slider .title{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    
    3
    color: #fff;
}
.slider-list .slider .title p{
    font-size: 16px;
    overflow: hidden;
    -webkit-line-clamp: 3;
    display: -webkit-box;
    -webkit-box-orient: vertical;
}
.slider-list .slider:nth-of-type(1) .title p{
    font-size: 20px;
}
.slider-btn{
    position: absolute;
    top: 50%;
    margin-top: -15px;
    width: 100%;
}
.slider-btn:after{
    content: '';
    clear: both;
}
.slider-btn .left-btn{
    float: left;
    display: inline-block;
    width: 30px;
    height: 30px;
    margin-left: 20px;
    background-image: url('../img/left-btn.png');
    background-size: contain;
    background-repeat: no-repeat;
}
.slider-btn .right-btn{
    float: right;
    display: inline-block;
    width: 30px;
    height: 30px;
    margin-right: 20px;
    background-image: url('../img/right-btn.png');
    background-size: contain;
    background-repeat: no-repeat;
}
.slider-order{
    position: absolute;
    bottom: 30px;
    width: 100%;
    text-align: center;
}
.slider-order ul{
    display: inline-block;
    
}
.slider-order ul li{
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #666;
    margin-right: 20px;
}
.slider-order ul li:last-of-type{
    margin-right: 0;
}
.slider-order ul li.active{
    background: #fff;
}
@media screen and (max-width: 420px) {
    .slider-list {
        height: 200px;
    }
    .slider-list .slider{
        height: 200px;
    }
}


    /* 特色 */
.feature {
    display: flex;
    justify-content: space-between;
    width: 90%;
    margin: 0 auto;
}
.feature .item{
    flex-grow: 1;
    margin-right: 2rem;
    width: 10rem;
    box-shadow: 0 0 4px #aaa;
}
.feature .item:last-child{
    margin-right: 0;
}
.feature .item h3{
    display: inline-block;
    font-size: 3rem;
    color: #2d78f4;
    vertical-align: middle;
    padding: 1rem;
}
.feature .item p{
    display: inline-block;
    font-size: 1.6rem;
    color: #ccc;
    padding: 1rem 0;
    vertical-align: middle;
}
@media screen and (max-width: 700px) {
    .feature .item h3,
    .feature .item p{
        display: block;
        text-align: center;
    }
}
@media screen and (max-width: 420px) {
    .feature{
        display: block;
    }
    .feature .item{
        width: 100%;
        margin-bottom: 1rem;
    }
    .feature .item h3,
    .feature .item p{
        display: inline-block;
        text-align: left;
    }
    .feature .item h3{
        padding: 0 3rem;
    }
}


/* 产品 */
.product{
    display: flex;
    width: 90%;
    margin: 2rem auto;
    box-shadow: 0 0 4px #ccc;
    border-top: 2px solid #2d78f4;
    background: #f5f9fa;
}
.product .pro-title{
    display: inline-block;
    width: 20%;
    text-align: center;
    color: #635c51;
}
.product .pro-title h2{
    margin-top: 5rem;
    font-size: 2.4rem;
}
.product .pro-title p{
    margin-top: 1rem;
}
.product .pro-cont{
    display: inline-block;
    width: 80%;
    background: #fff;
}
.product .pro-cont .pro-item{
    display: flex;
    width: 100%;
    border-bottom: 1px solid #eee;
    line-height: 8rem;
}
.product .pro-cont .pro-item div{
    border-left: 1px solid #eee;
}
.product .pro-cont .pro-item .pre-item-title{
    width: 30%;
}
.product .pro-cont .pro-item .pre-item-title h3{
    text-align: center;
}
.product .pro-cont .pro-item .pre-item-info{
    width: 50%;
    font-size: 0;
}
.product .pro-cont .pro-item .pre-item-info p{
    font-size: 1.4rem;
    display: inline-block;
    width: 50%;
    text-align: center;
}
.product .pro-cont .pro-item .pre-item-info p span{
    font-size: 3rem;
    width: 100%;
    color: #2d78f4;
}
.product .pro-cont .pro-item .pre-item-info p span i{
   font-size: 1.2rem;
   color: #ccc;
}
.product .pro-cont .pro-item .buy{
    width: 20%;
}
.product .pro-cont .pro-item .buy a{
    display: block;
    width: 90%;
    margin: 2rem auto;
    line-height: 4rem;
    text-align: center;
    text-decoration: none;
    color: #fff;
    background-color: #2d78f4;
    border-radius: 5px;   
}
@media screen and (max-width: 700px) {
    .product{
        display: block;
    }
    .product .pro-title{
        width: 100%;
    }
    .product .pro-title h2{
        display: inline-block;
        margin: 2rem 0;
    }
    .product .pro-title p{
        display: inline-block;
    }
    .product .pro-cont{
        width: 100%;
    }
    
}
@media screen and (max-width: 420px) {
    .product .pro-cont .pro-item{
        flex-wrap: wrap;
    }
    .product .pro-cont .pro-item .buy{
        width: 100%;
        border-top: 1px solid #eee;
    }
    .product .pro-cont .pro-item .buy a{
        margin: 1rem auto;

    }
    .product .pro-cont .pro-item .pre-item-item{
        width: 40%;
    }
    .product .pro-cont .pro-item .pre-item-info{
        width: 60%;
    }
}



 /* .footer */
.footer{
    width: 100%;
    border-top: 2px solid #ccc;
    padding: 3rem 0;
}
.footer .footer-cont{
    display: flex;
    width: 90%;
    margin: 0 auto;
}
.footer .footer-cont p{
    width: 20%;
    margin-right: 2rem;
}
.footer .footer-cont p img{
    width: 100%;
}
.footer .footer-cont ul{
    width: 20%;
    margin-right: 2rem;
}
.footer .footer-cont ul:last-child{
    margin-right: 0;
}
.footer .footer-cont ul li{
    font-size: 1.4rem;
    line-height: 2.4rem;
}
.footer .footer-cont ul li.title{
    font-size: 1.6rem;
    line-height: 3rem;
}

@media screen and (max-width: 700px) {
    .footer .footer-cont p{
        display: none;
    }
    .footer .footer-cont ul{
        width: 25%;
        
    }
    .footer .footer-cont ul li.title{
        font-size: 1.6rem;
    }
    .footer .footer-cont ul li{
        font-size: 1.4rem;
    }
}
@media screen and (max-width: 420px) {
    .footer .footer-cont ul li.title{
        font-size: 1.4rem;
    }
    .footer .footer-cont ul li{
        font-size: 1.2rem;
    }
}




footer{
    text-align: center;
    width: 100%;
    padding: 3rem 0;
    background: #eee;
    color: #aaa;
}








